
INTRODUCTION TO COMPUTER SCIENCE (BCA C1004)
TIME-3 hr FULL MARKS-70 CREDIT- 4
The question paper shall consists of two sections: A and B. Section A will have eight (08)
questions, out of which four (04) questions will be answered and will carry 10 marks each.
Section B will consists of 10 short answer type questions which will cover the entire syllabus and
will carry 30 marks in all., each short-answer type questions carrying 3 marks.
Unit 1: Introduction to Computers & Number Systems and Logic Gates
Introduction, Characteristics of Computers, Evolution of computers, Generation of Computers,
Classification of Computers, The Computer System, Applications of Computers.
Introduction, Number Systems, Conversion between Number Bases, Arithmetic System, Signed
and Unsigned Numbers, Concept of Overflow, Binary Coding, Logic Gates, Boolean algebra.
[Q-2]
Unit 2: Computer Architecture & Primary Memory
Introduction, Central Processing Unit (CPU) Memory, Communication between Various Units of
a Computer System. Introduction, Memory Hierarchy, Random Access Memory (RAM), Types
of RAM, Read Only Memory (ROM), Types of ROM. [Q-1]
Unit 3: Secondary Storage, Input & Output Devices
Introduction, Classification of Secondary Storage Devices, Magnetic Tape, Magnetic Disk,
Optical Disk, Magneto Optical disk. Introduction, Keyboard, Pointing Devices, Speech
Recognition, Digital Camera, Scanners, Optical Scanners. Introduction, Classification of Output,
Hard Copy Output Devices, Printers, Plotters, Computer Output Microfilm (COM), Soft Copy
Output Devices, Monitors, Audio Output, Projectors, Terminals. [Q-1]
Unit 4: Computer Software & Operating System
Introduction, Software: Definition, Relationship between Software and Hardware, Software
Categories, System Software, Application Software, Software Terminology. Algorithm,
Flowchart, Pseudocode (P-Code), Evolution of Programming Languages, Classification of
Programming Languages, Generations of Programming Languages, Operating System, Evolution
of Operating System, Types of Operating System, Functions of an Operating System, Modern
Operating Systems. [Q-2]
Unit 5: Data Communication, Computer Network & Internet Basics
Introduction, Data Communication, Transmission Media, Computer Network, Network
Topologies, Communication Protocols, Network devices. Evolution of Internet, Basic Internet
Terms, Getting Connected to Internet, Internet Applications, Electronic Mail: An Introduction
How E-Mail Works, Searching the Web (Search Engines), Languages of Internet, Internet and
Viruses. [Q-2]
TEXT BOOK:
1. Introduction to computer Science, ITL Education solution Limited, R&D Wing,PEARSON
Education, Edition 2004
REFERENCE BOOK:
1. Rajaraman V. – Fundamental of Computers, Prentice Hall of India Pvt. Ltd., New Delhi – 2nd
edition, 1996.